INDEX. 



1115 



Spergularia salina, Self-polliuation of, 



994. 

 '■ Spermatia " of the Ascomycetes, 1006. 

 Spermatogenesis, 16, 27. 



in Alcyonella, 566. 



in Aplysia, 397. 



in Clasetognatha, 227. 



in Gruinea-pig, 707. 



of Arthropods, 940. 



of Gastropods, 932. 



of Mammals, 547, 707. 



of Marsupials, 386. 



of Eeptiles, 924. 



of Salamander, 189. 



of Vertebrates, 923. 



Spermatozoa and Ova, Formation o*^, in 



Spongilla fluviatilis, 966. 



from Triton, 1065. 



in Mures, Form and Development of, 



200. 



of Eledone mosehata, 560. 



of Frog, Irritability of, 707. 



Sphserocrystals, 603. 



Sphajroplea, 267. 



Sphserozoa, Preparing, 665. 



Sphagna, New, 91. 



Spliagnacese, German, 621. 



, Physiological and Comparative 



Anatomy of, 774. 

 Sphagnum and Andresea, Sporogonium of, 



91, 1000. 



, Forms of, 775. 



Spherometer Microscope, Bamberg's, 280, 

 Sphyranura, Methods of studying, 149. 



osleri, 47. 



Spicules, Kemarkable, from the Oumaru 



Deposit, 967. 

 Spider, New Orb-weaving, 412. 

 SpiUmann, — ., and Hauslialter, — ., Dis- 

 semination of Bacillus by Flies, 635. 

 Spinal Cord, Effect of Hardening Agents 



on the Ganglion-cells of, 831. 



, Preparation and Staining of, 



660. 



Ganglion-cells, 556. 



Spines, Anatomy of, 763. 



of certain Plants, 989. 



Spinther, Annelid Genus, 42. 



Spirillum concentricum, a new species 



from decomposing blood, 278. 

 Spirochaata of Relapsing Fever, Staining, 



1054. 

 Spirogyra, Conjugation of, 625. 

 Spleen, Injection Mass for the Vessels of, 



848. 

 Sponges. See Porifera, Contents, sviii. 

 Spongillti, Development of Generative 



Products in, 64. 



fluviatili-f. Formation of Ova and 



Spermatazoa in, 966. 



, Investigation of Generative Products 



of, 1045. 

 8})ongillEe, Survival of, after Development 



of S warm-larvce, 596. 

 Spongocladia, 1002. 



Sporangia and Spores in the SaproleguiesB, 



Formation of, 271. 

 Sporangium of Ferns, Dehiscence of, 90. 

 of Polypodiacese, Development of, 



459. 

 Spore- formation in Bacteria, 787. 



in Peridiueje, 437. 



in the Bacilli of Xeresis con- 



junctivse. Streptococci, and Cholera 



spirilla, 1016. 

 in the Bacillus of Glanders, 



473. 

 Spores and Sporangia in the Saprolegniese, 



Formation of, 271. 



, Germination of, in Ustilago, 270. 



of Equisetum, Dissemination of, 1000. 



of the Ferments, 633. 



, Staining, 845. 



Sporogonium of Andreaea and Sphagnum, 



Development of, 91, 1000. 

 . of Mosses, Anatomy and Development 



of, 460. 

 Sporophore of Mosses, Transpiration of, 91. 

 Spring-sap in the Birch and Hornbeam, 



445. 

 Stage, Babes' Hot, 800. 

 , Edmonds's Automatic Mica, 111, 



171. 



, Fine-adjustment by Tilting, 478. 



, Malasse'z's Hot, 488. 



, Nelson's Mechanical, 477. 



, new form of mechanical, 334. 



, Schafer's Hot-water Circulation, 



649. 

 Staining. See Contents, xxsviii. 

 Stamati, Q., Castration of the Crayrfish, 



947. 



, Digestion in Oray-fishes, 947. 



Stamens of Echiiiocactus, Irritability of, 



261. 

 Standards of Length and their practical 



application, 503. 

 Stapf, 0., Explosive Fruits of Alstroemeria, 



255. 

 Staphylea pinnata. Pitcher-like Leaflets 



of, 253. 

 Star-fish, Emigration of Amoeboid Cor- 

 puscles in, 431. 



fishes. Budding iu, 233. 



, Kenal Organs of, 958. 



Starcli, Action of Formose on Cells desti- 

 tute of, 85. 



and Chlorophyll-grains, 70. 



, Formation of, from various sub- 

 stances, 771. 

 , of, in the Chlorophyll- grains, 



71, 983. 



Injection-mass, 1056. 



, Occurrence of, in the Onion, 983. 



Starch-grains, Structure of, 443. 

 Stedman, J. M., Preparing Tape-worms 



for the Museum and the Microscope, 



148. 

 Stegemann's (A.) Photomicrographic 



Camera, 116. 



